Inhibition of water-treeing in polyolefin electrical insulation

Details Inhibition of water-treeing in polyolefin electrical insulation Inhibition of water-treeing in polyolefin electrical insulation

H - Electricity

01

B

400/5140

H01B 3/44 (2006.01) C08L 23/00 (2006.01) C08L 71/02 (2006.01)

Patent

CA 1183297

POLYOLEFIN COMPOSITION FOR ELECTRICAL INSULATION ABSTRACT OF THE DISCLOSURE A polyolefin composition for electrical insulation which comprises polyolefin or crosslinked polyolefin and a small quantity of high-molecular weight polyethylene glycol. This composition is far less vulnerable to the deterioration that occurs as dendroid voids when employed as an electrical insulation of high-tension power cables which are operated under water. The polyethylene glycol has more than 44 carbon atoms and is used in an amount from 0.3 to 10 wt% based on polyolefin.

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